<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icons-item"
             v-for="item of page"
             :key="item.id"
        >
          <div class="icons-img">
            <img :src="item.imgUrl" :alt="item.desc" />
          </div>
          <p>{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach(function (item, index) {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'

.icons {
  .swiper-container{
    height: 0;
    padding-bottom: 50%;

    .icons-item {
      float: left;
      width: 25%;
      height: 0;
      padding-bottom: 25%;
      overflow: hidden;
      position: relative;

      .icons-img {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0.44rem;
        overflow: hidden;
        box-sizing: border-box;
        padding: 0.1rem;

        img {
          height: 100%;
          display: block;
          margin: 0 auto;
        }
      }

      p {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 0.44rem;
        line-height: 0.44rem;
        color: $dakeTextColor;
        text-align: center;
        ellipsis()
      }
    }
  }
}
</style>
